Home / 10,963.88-15,130.29-6,487.52

Finding the Fourth Proportional to 10,963.88, 15,130.29 and 6,487.52

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Solution

The fourth proportional to 10,963.88, 15,130.29 and 6,487.52 is: 8,952.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,963.88 : 15,130.29 = 6,487.52 : x
  2. Step 2: Convert to fraction form
    10,963.88/15,130.29 = 6,487.52/x
  3. Step 3: Cross multiply
    10,963.88x = 15,130.29 × 6,487.52
  4. Step 4: Simplify right side
    10,963.88x = 98,157,983.33
  5. Step 5: Solve for x
    x = 98,157,983.33/10,963.88
  6. Step 6: Final answer
    x = 8,952.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.